Hydrology: Current Research

Chidozie C Nnaji

Publications

• Special Issue Article
  Feasibility of a Filtration-Adsorption Grey Water Treatment System for Developing Countries
  Author(s): Chidozie C Nnaji, Cordelia N Mama, Arinze Ekwueme and Terlumun UtsevChidozie C Nnaji, Cordelia N Mama, Arinze Ekwueme and Terlumun Utsev
  
  The performance and economic viability of a simple inexpensive grey water treatment system consisting of a filtration unit and an adsorption unit was evaluated. At steady state, the overall performance of the combined system was 85.68% BOD removal, 57.09% COD removal and 70.74% TSS removal. Most of the BOD removal (83.6%) was achieved in the filtration unit, while most of the fecal coliform removal was achieved in the adsorption chamber. The pH of the entire system remained stable (7.6 ± 0.29) throughout the experiment. The dissolved oxygen concentration of the final effluent was 1.3 ± 0.28, indicating the need for aeration. Problems with carbon particle washout were observed in the adsorption chamber. Generally, the final effluent was found to be suitable for a range of uses such as toilet flushing, irrigation and fire protection. A.. Read More»
  DOI: 10.4172/2157-7587.S1-006

  Abstract PDF